NT Backup error on windows Server 2003 RRS feed

  • Question

  • I have shaduled a NT back of network drive on My BackUP server. when this back up start and backed up  almost 97 to 98 % data on the disk it gives following message and the backup is not complete.

    "Backup started on 5/25/2011 at 4:25 PM.

    Error: The device reported an error on a request to write data to media.
    Error reported: Unknown error.
    There may be a hardware or media problem.
    Please check the system event log for relevant failures.
    The operation was ended.
    Backup completed on 5/25/2011 at 5:55 PM.
    Directories: 11410
    Files: 157645
    Bytes: 37,234,165,052
    Time:  1 hour,  30 minutes, and  11 seconds

    Error: W: is not a valid drive, or you do not have access.


    The operation did not successfully complete.



    this problem is coming since last 15 days in between this 15 days 3 or 4 times backup complete psuccessfully  but  remaining time it is intrupted with above errror.

    i check the event log but any specific reason is not given there.

    please help me to solve this problem as soon as possible.


    Thursday, May 26, 2011 10:27 AM


  • Hi alkesh,

    There is a hotfix for the above issue.

    kindly see below support provided by microsoft.



    Guowen Su | CCNA, CCIP, MCP, MCSA, MCSE, MCTS, MCITP, CEH | http://www.microsoft.com/en/sg/default.aspx Our Goal? VERY SATISFIED Customers. If you're not...let's talk!! Please don't vote me for answers... because i do not want others to feels that i'm cheating ? :) In any case God knows :)
    • Proposed as answer by Soh.M Friday, May 27, 2011 5:55 AM
    • Marked as answer by Kevin Remde Monday, November 14, 2011 11:49 AM
    Friday, May 27, 2011 5:55 AM